/Engine/Source/Runtime/InteractiveToolsFramework/Public/InteractiveTool.h
GetDynamicPropertyCache return class-internal objects that subclasses can use to save/restore properties.
instance of the current subclass that can be used to save/restore values
[TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UInteractiveToolPropertySet](API\Runtime\InteractiveToolsFramework\UInteractiveToolPropertySet) > GetDynamicPropertyCache ( const [FString](API\Runtime\Core\Containers\FString) & CacheIdentifier, bool & bWasCreatedOut )